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Organosilicon high-strength aging-resistant material containing modified graphene and preparation method of organosilicon high-strength aging-resistant material

A graphene and organosilicon technology, which is applied in the field of organosilicon high-strength aging-resistant materials containing modified graphene and its preparation, can solve the problems of organosilicon materials such as aging resistance and inconsistency in strength, so as to prolong the aging resistance time, The effect of increasing strength

Inactive Publication Date: 2020-02-14
广州信粤新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] The technical problem to be solved in this application is: how to modify graphene to adapt to organic silicon materials in this scheme, so as to improve the aging resistance and strength of organic silicon materials that cannot be unified

Method used

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  • Organosilicon high-strength aging-resistant material containing modified graphene and preparation method of organosilicon high-strength aging-resistant material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A silicone high-strength aging-resistant material containing modified graphene, comprising the following components in weight percent:

[0040] Hydroxy silicone oil (20000cp) 30%;

[0041] Simethicone (350cp) 3%;

[0042] Nano calcium carbonate 2%;

[0043] Silane modified graphene 3%;

[0044] Aluminum hydroxide 10%;

[0045] Hydrophobic silica 5%;

[0046] Methyl tributylketoxime silane 1.6%;

[0047] Tetrabutanoximinosilane 0.4%;

[0048] Platinum catalyst 0.01%;

[0049] Dibutyltin dilaurate 0.01%;

[0050] Solvents (No. 120 and No. 200 solvent oils are prepared according to the weight ratio of 2:1) are added to 100%;

[0051] Its preparation process is:

[0052] Step 1: dehydrating each raw material to a water content below 0.3wt%;

[0053] Step 2: Put hydroxyl silicone oil, dimethyl silicone oil, nano-calcium carbonate, silane-modified graphene, flame-retardant powder, hydrophobic silica, catalyst, solvent into the planetary barrel, heat up to 80-100°C, ...

Embodiment 2

[0057] The preparation method is the same as in Example 1, and the specific formula is as follows, including the following components in percentage by weight:

[0058] Hydroxy silicone oil (20000cp) 40%;

[0059] Simethicone (350cp) 3.5%;

[0060] Nano calcium carbonate 0.2%;

[0061] Silane modified graphene 2%;

[0062] Aluminum hydroxide 15%;

[0063] Hydrophobic silica 6%;

[0064] Methyl tributylketoxime silane 4%;

[0065] Tetrabutanoximinosilane 1%;

[0066] Platinum catalyst 0.01%;

[0067] Dibutyltin dilaurate 0.01%;

[0068] Solvent was added to 100%.

Embodiment 3

[0070] The preparation method is the same as in Example 1, and the specific formula is as follows, including the following components in percentage by weight:

[0071] Hydroxy silicone oil (20000cp) 50%;

[0072] Simethicone (350cp) 2%;

[0073] Nano calcium carbonate 3%;

[0074] Silane modified graphene 5%;

[0075] Aluminum hydroxide 5%;

[0076] Hydrophobic silica 4%;

[0077] Methyl tributylketoxime silane 2.4%;

[0078] Tetrabutanoximinosilane 0.6%;

[0079] Platinum catalyst 0.01%;

[0080] Dibutyltin dilaurate 0.01%;

[0081] Solvent was added to 100%.

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Abstract

The invention belongs to the field of organosilicons, and discloses an organosilicon high-strength aging-resistant material containing modified graphene. The organosilicon high-strength aging-resistant material is characterized in that the organosilicon high-strength aging-resistant material comprises the following component in percentage by weight: 25-50% of hydroxyl silicone oil, 2-5% of simethicone, 0.1-3% of nano calcium carbonate, 2-6% of silane-modified graphene, 5-15% of flame retardant powder, 4-8% of hydrophobic silica, 1-5% of a cross-linking agent, 0.01-0.05% of a catalyst, and an solvent is added to 100%; and the cross-linking agent is prepared from the following components in percentage by weight: 80% of methyltrissilane, and 20% of tetrakissilane. After the material is modified by graphene, strength and aging resistance are significantly improved. At the same time, the invention further discloses a preparation method of the material.

Description

technical field [0001] The invention relates to the field of organosilicon modification, in particular to an organosilicon high-strength aging-resistant material containing modified graphene and a preparation method thereof. Background technique [0002] Using ketoximosilane as a crosslinking agent to modify silicone rubber is a common method in this field. For details, please refer to the comparison document below. [0003] The applicant Dongguan Zhaoshun Silicone Technology Co., Ltd. filed an invention patent application CN201810175826.X, which discloses a method for preparing an organosilicon polymer. The preparation method includes the following steps (1) making the raw material butanone oxime Hydrolyze base silane to remove the butanone oxime produced by hydrolysis, then add higher alcohol to it for condensation reaction, vacuum treatment to remove remaining small molecules, and obtain condensation product; (2) Add to the condensation product obtained in step (1) Dial...

Claims

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Application Information

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IPC IPC(8): C08L83/04C08K13/06C08K9/06C08K3/04C08K3/26C08K7/26C08K3/22C08K5/5465
CPCC08K2003/2224C08K2003/2227C08K2003/2296C08K2003/265C08K2201/011C08K2201/014C08L83/04C08L2201/08C08L2205/025C08K13/06C08K9/06C08K3/042C08K3/26C08K7/26C08K3/22C08K5/5465
Inventor 刘正辉王长杰杨丽芳
Owner 广州信粤新材料科技有限公司